EP2673350B1 - Compositions de nettoyage à base de savon concentrées - Google Patents

Compositions de nettoyage à base de savon concentrées Download PDF

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Publication number
EP2673350B1
EP2673350B1 EP12708731.0A EP12708731A EP2673350B1 EP 2673350 B1 EP2673350 B1 EP 2673350B1 EP 12708731 A EP12708731 A EP 12708731A EP 2673350 B1 EP2673350 B1 EP 2673350B1
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EP
European Patent Office
Prior art keywords
fatty acid
weight
composition according
salt
amount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP12708731.0A
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German (de)
English (en)
Other versions
EP2673350A1 (fr
Inventor
Kevin David HERMANSON
Martin Swanson Vethamuthu
Anat Shiloach
Rajendra Mohanlal Dave
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
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Unilever PLC
Unilever NV
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Publication of EP2673350A1 publication Critical patent/EP2673350A1/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D10/00—Compositions of detergents, not provided for by one single preceding group
    • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
    • C11D10/042—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on anionic surface-active compounds and soap
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D10/00—Compositions of detergents, not provided for by one single preceding group
    • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2079—Monocarboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/92—Sulfobetaines ; Sulfitobetaines

Definitions

  • the invention concerns flowable cleanser compositions formulated with high levels of fatty acid salt (soap).
  • Toilet bars have the beneficial aspect of delivering surfactant as a concentrate; they usually contain more than 50% surfactant.
  • a second disadvantage is the impossibility for a consumer to measure out a precise dose of cleansing composition from a bar format. Too much material is consequently washed down the drain.
  • Soaps are fatty acid salts.
  • the fatty acids are sustainably sourceable from palm oil and other vegetative raw materials.
  • the present inventors have obtained resultant concentrates prone to partial crystallization of the soap. Even small amounts of crystallization resulted in visually displeasing products. Ordinarily clear compositions turned turbid. Also there were problems with maintaining an even viscosity. Accordingly, soap based concentrates were sought that have good stability against crystallization.
  • US-A-2010/179084 describes personal cleanser compositions comprising 1 to 20% fatty acid soap, containing 8 to 16 carbon atoms, 2 to 20% synthetic surfactant and water, wherein the composition comprises a metal ion at or below a pre-determined amount so as to provide a turbidity no higher than 9 NTU.
  • US-A-2010/098647 describes a soap based liquid body and face wash composition
  • a soap based liquid body and face wash composition comprising 10 to 50 wt% of a fatty acid blend of C 12 - 18 fatty acids, having a degree of neutralization between 70 and 90%, 10 to 40% co-solvent, less than 18% water, 3 to 20% emollient or occlusive oil and 0.1 to 60% make-up agents, wherein the emollient or occlusive oil and make-up agents are modified by treatment with multivalent soap and/or hydrophobic agents selected from hydrophobically modified cationic or hydrophobically modified nonionic polymers or mixtures thereof, the ratio of the co-solvent to water being 0.4 to 10.
  • a flowable concentrated soap cleansing composition which includes:
  • compositions also require the fatty acid mixture of salt and free fatty acid to mainly be C 12 -C 14 and have a much smaller amount of C 16 -C 18 chain length.
  • compositions may contain a first anti-crystallization agent which is sodium lauryl ether sulfate. Most effective is a variant with an average ethoxylation of from 0.5 to 2 moles ethylene oxide per one mole of sulfate. The most preferred ratio has an average ethoxylation of about one mole ethylene oxide per one mole of sulfate. This agent is often described as SLES-1 EO. Amounts of the sodium lauryl ether sulfate may range from about 2 to about 15%, preferably from about 4 to about 12%, and optimally from about 5 to about 10% by weight.
  • a second anti-crystallization agent useful with compositions herein is polypropylene glycol.
  • These polymers may have a weight average molecular weight ranging from about 195 to about 10,000, preferably from about 300 to about 5,000, and optimally from about 450 to about 3,600 weight average molecular weight.
  • Preferred is PPG-7 sold commercially by Dow Chemical Corp. as Polyglycol P-425.
  • Amounts of the polypropylene glycol may range from about 1 to about 15%, preferably from about 5 to about 12%, and optimally from about 7 to about 10% by weight of the composition.
  • Fatty acid whether in free acid or salt forms will be present in combined amounts ranging between about 40% and about 65%, preferably from about 45% to about 60%, and optimally between 50% and 55% by weight of the composition.
  • the amount of C 12 -C 14 fatty acid (free acid plus salt) relative to C 16 -C 18 fatty acid (free acid plus salt) may exist in a weight ratio from about 8:1 to about 2:1, preferably from about 6:1 to about 4:1, optimally about 5:1 by weight.
  • Amounts of the C 12 -C 14 fatty acid (free acid plus salt) relative to C 16 fatty acid (free acid plus salt) may be present in a relative weight ratio from about 30:1 to about 2:1, preferably from about 20:1 to about 6:1, and optimally from about 20:1 to about 10:1 by weight.
  • Amounts of C 12 relative to C 14 fatty acid in salt and free acid form may be present from about 0.4:1 to about 1.4:1, preferably from about 0.8:1 to about 1.1:1 by weight.
  • the fatty acid mixture is present in only partially neutralized form.
  • there is advantage in neutralization from 93% to 96.5%, preferably from 94% to 96.5%, and optimally between 94.5 and 96% neutralization of the fatty acid mixture.
  • Water may be present in the compositions in an amount from about 25 to about 50%, preferably from about 25 to about 40%, and optimally from about 25 to about 35% by weight.
  • Advantageously neutralization of the fatty acids primarily may be with potassium alkali rather than sodium or ammonium alkali (e.g. hydroxides). This provides potassium soaps.
  • compositions of the present invention is that of a betaine. Most useful is cocoamidopropyl betaine. Amounts of the betaine may range from about 0.5 to about 12%, preferably from about 1 to about 8%, and optimally from about 1.5 to about 4% by weight of the composition.
  • Compositions may contain moisturizers.
  • moisturizers Illustrative of these materials are petrolatum, mineral oil and vegetable oils.
  • vegetable oils which are useful are sunflower seed oil, cottonseed oil, olive oil, safflower oil, canola oil and mixtures thereof.
  • Amounts of the moisturizer may range from about 0.1 to about 30% by weight of the composition.
  • Deposition aids may include such materials as quaternary ammonium salts, particularly cationic guar gums and quaternized cellulosics. These may be available under the trademarks Jaguar C17S and Polymer JR. Typical useful sunscreen agents may include Parsol® MCX (octylmethoxycinnamate) and Parsol® 1789. Skin nutrient compounds that may be useful are niacinamide and the vitamins. Amongst the latter are included Vitamin A (e.g. Vitamin A Palmitate), Vitamin C, Vitamin B and Vitamin D as well as mixtures thereof. Amounts of any of these materials may range from about 0.0001 to about 10% by weight of the composition.
  • the flowable compositions described herein may have a viscosity ranging from about 10,000 to about 100,000 cps, preferably from about 15,000 to about 50,000, optimally from about 20,000 to about 40,000 cps. These viscosities are measured at 20°C on a Brookfield Viscometer after 2 minutes at 10 rpm with Spindle RV 7.
  • Preservatives can desirably be incorporated into the cleansing compositions to protect against the growth of potentially harmful microorganisms.
  • Particularly preferred preservatives are phenoxyethanol, methyl paraben, propyl paraben, imidazolidinyl urea, dimethyloldimethylhydantoin, ethylenediaminetetraacetic acid salts, methylchloroisothiazolinone, methylisothiazolinone, iodopropynbutylcarbamate and benzyl alcohol. Amounts of these preservatives may range from 0.01 to 2% by weight of the compositions.
  • the samples with higher molecular weight polypropylene glycols (those above 134 mw) have Crystallization Points below about room temperature.
  • the samples with lower molecular weight glycols such as propylene glycol and dipropylene glycol are less efficient at inhibiting crystallization. These have Crystallization Points above room temperature. It is evident that the higher molecular weight polypropylene glycols contribute to fighting crystallization.
  • the fatty acid profile for the chain length distributions was held constant at 5.08:1 for the ratio of C 12 -C 14 to C 16 -C 18 . Only the relevant amount of lauric vs. myristic acids was altered. Table III shows that lauric acid is more effective at lowering the crystallization temperature than myristic acid. The Crystallization Point is lowered below room temperature for C 12 to C 14 ratios less than 1.5. Compare Example I to Example J.
  • Table VI details the chain length distribution, % neutralization and resultant Crystallization Points and Clarity. Other components of the samples were held constant in amount and equivalent to those in Sample F. These other components were omitted from the Table.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)

Claims (10)

  1. Composition nettoyante de savon concentrée fluide comprenant :
    (i) d'environ 40 à environ 65 % en masse de mélange d'acides gras C12-C18 dans une quantité combinée de forme de sel et d'acide libre, le mélange présentant une longueur de chaîne C12-C14 présente dans une quantité supérieure à la longueur de chaîne C16-C18 d'acides gras ;
    (ii) d'environ 25 à environ 50 % en masse d'eau ;
    (iii) d'environ 1 à environ 15 % d'un premier agent anti-cristallisation qui est le lauryl éther sulfate de sodium avec une éthoxylation moyenne de 0,5 à 2 moles d'oxyde d'éthylène par mole de sulfate ;
    (iv) d'environ 2 à environ 15 % en masse d'un second agent anti-cristallisation qui est le polypropylène glycol ayant une masse moléculaire moyenne en masse comprise entre environ 195 et environ 10 000 ; et
    dans laquelle la composition présente une viscosité comprise entre environ 10 000 et environ 100 000 cps à 20 °C comme mesurée après 2 minutes à 10 tr/min sur un viscosimètre Brookfield utilisant une broche RV 7.
  2. Composition selon la revendication 1, dans laquelle la quantité d'acides gras C12-C14 relative à C16-C18 dans une forme de sel et d'acide libre est comprise entre environ 8 : 1 et environ 2 : 1.
  3. Composition selon la revendication 2, dans laquelle la quantité d'acides gras C12-C14 relative à C16-C18 dans une forme de sel et d'acide libre est comprise entre environ 6 : 1 et environ 4 : 1.
  4. Composition selon la revendication 1, dans laquelle la quantité d'eau est comprise entre environ 25 et environ 35 % en masse.
  5. Composition selon la revendication 1, dans laquelle de 94 à 96,5 % du mélange d'acides gras sont présents dans une forme de sel et le reste dans une forme d'acide libre.
  6. Composition selon la revendication 1, dans laquelle le polypropylène glycol présente une masse moléculaire moyenne comprise entre environ 450 et environ 3 600.
  7. Composition selon la revendication 1 comprenant de plus d'environ 0,5 à environ 12 % en masse de bétaïne de cocoamidopropyle.
  8. Composition selon la revendication 1, dans laquelle la quantité d'acides gras C12-C14 relative à C16 dans une forme de sel et d'acide libre est comprise entre environ 30 : 1 et environ 2 : 1.
  9. Composition selon la revendication 1, dans laquelle la quantité d'acides gras C12 à C14 dans une forme de sel et d'acide libre est comprise entre environ 0,4 : 1 et environ 1,4 : 1 en masse.
  10. Composition selon la revendication 1, dans laquelle la quantité d'acides gras C12 à C14 dans une forme de sel et d'acide libre est comprise entre 0,8 : 1 et 1,1 : 1 en masse.
EP12708731.0A 2011-02-08 2012-01-26 Compositions de nettoyage à base de savon concentrées Active EP2673350B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161440415P 2011-02-08 2011-02-08
PCT/EP2012/051220 WO2012107297A1 (fr) 2011-02-08 2012-01-26 Compositions de nettoyage à base de savon concentrées

Publications (2)

Publication Number Publication Date
EP2673350A1 EP2673350A1 (fr) 2013-12-18
EP2673350B1 true EP2673350B1 (fr) 2016-03-30

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EP12708731.0A Active EP2673350B1 (fr) 2011-02-08 2012-01-26 Compositions de nettoyage à base de savon concentrées

Country Status (6)

Country Link
US (1) US8114826B1 (fr)
EP (1) EP2673350B1 (fr)
CN (1) CN103339247B (fr)
BR (1) BR112013020101B1 (fr)
EA (1) EA022097B1 (fr)
WO (1) WO2012107297A1 (fr)

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US8778910B2 (en) * 2012-12-07 2014-07-15 Conopco, Inc. Concentrated lamellar liquid personal cleansing composition
CN105878056A (zh) * 2014-12-05 2016-08-24 江南大学 一种温和滋润的皂基沐浴露
EP3285729B1 (fr) 2015-04-23 2019-12-18 The Procter and Gamble Company Compositions concentrées de nettoyage personnel et procédés correspondants
CN107530245B (zh) 2015-04-23 2021-05-04 宝洁公司 浓缩型个人清洁组合物和用途
CN107530247B (zh) 2015-04-23 2021-09-07 宝洁公司 浓缩型个人清洁组合物
EP3285728B1 (fr) 2015-04-23 2019-12-18 The Procter and Gamble Company Compositions nettoyantes d'hygiène personnelle concentrées et méthodes associées
US11185486B2 (en) 2016-10-21 2021-11-30 The Procter And Gamble Company Personal cleansing compositions and methods
WO2018075749A1 (fr) 2016-10-21 2018-04-26 The Procter & Gamble Company Compositions et procédés de nettoyage de la peau
US10806686B2 (en) 2017-02-17 2020-10-20 The Procter And Gamble Company Packaged personal cleansing product
US10675231B2 (en) 2017-02-17 2020-06-09 The Procter & Gamble Company Packaged personal cleansing product
PL3971275T3 (pl) * 2020-09-17 2022-12-27 The Procter & Gamble Company Płynna kompozycja czyszcząca do ręcznego zmywania naczyń
ES2939313T3 (es) 2020-09-17 2023-04-20 Procter & Gamble Composición de limpieza líquida para lavado de vajilla a mano
ES2939503T3 (es) 2020-09-17 2023-04-24 Procter & Gamble Composición de limpieza líquida para lavado de vajilla a mano
US20220380701A1 (en) * 2021-05-27 2022-12-01 The Procter & Gamble Company Cleaning compositions comprising renewable components

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Also Published As

Publication number Publication date
US8114826B1 (en) 2012-02-14
CN103339247A (zh) 2013-10-02
EP2673350A1 (fr) 2013-12-18
BR112013020101B1 (pt) 2020-12-01
CN103339247B (zh) 2015-05-20
EA201391137A1 (ru) 2013-12-30
BR112013020101A2 (pt) 2016-10-25
EA022097B1 (ru) 2015-10-30
WO2012107297A1 (fr) 2012-08-16

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